1 package org.apache.turbine.modules.screens;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 // Turbine
58 import org.apache.turbine.util.RunData;
59
60 // WebMacro
61 import org.webmacro.servlet.WebContext;
62
63
64 /***
65 * WebMacroSiteSecure screen.
66 *
67 * Always performs a Security Check that you've defined before
68 * executing the doBuildtemplate(). You should extend this class and
69 * add the specific security check needed. If you have a number of
70 * screens that need to perform the same check, you could make a base
71 * screen by extending this class and implementing the isAuthorized().
72 * Then each screen that needs to perform the same check could extend
73 * your base screen.
74 *
75 * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a>
76 * @version $Id: WebMacroSiteSecureScreen.java,v 1.1.1.1 2001/08/16 05:08:38 jvanzyl Exp $
77 * @deprecated you should use velocity
78 */
79 public abstract class WebMacroSiteSecureScreen extends WebMacroSiteScreen
80 {
81 /***
82 * Implement this to add information to the context.
83 *
84 * @param data Turbine information.
85 * @param context Context for web pages.
86 * @exception Exception, a generic exception.
87 */
88 protected abstract void doBuildTemplate( RunData data,
89 WebContext context )
90 throws Exception;
91
92 /***
93 * This method overrides the method in WebMacroSiteScreen to
94 * perform a security check first.
95 *
96 * @param data Turbine information.
97 * @exception Exception, a generic exception.
98 */
99 protected void doBuildTemplate( RunData data ) throws Exception
100 {
101 if ( isAuthorized( data ) )
102 {
103 doBuildTemplate( data, getContext( data ) );
104 }
105 }
106
107 /***
108 * Implement this method to perform the security check needed.
109 * You should set the template in this method that you want the
110 * user to be sent to if they're unauthorized. See the
111 * WebMacroSecuritCheck utility.
112 *
113 * @param data Turbine information.
114 * @return True if the user is authorized to access the screen.
115 * @exception Exception, a generic exception.
116 */
117 protected abstract boolean isAuthorized( RunData data )
118 throws Exception;
119 }
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